Fix WebSocket accel parsing for missing or nested JSON fields.

Avoid crashes when x/y/z are absent or nested under accel/data keys.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/main.gd

@@ -173,7 +173,42 @@ func _handle_accel_message(text: String) -> void:
 	if data.get("type") != "accel" or not data.get("success", false):
 		return
 
-	_accel = Vector3i(int(data["x"]), int(data["y"]), int(data["z"]))
+	var parsed: Variant = _parse_accel_vector(data)
+	if parsed == null:
+		return
+	_accel = parsed as Vector3i
+
+
+func _parse_accel_vector(data: Dictionary) -> Variant:
+	var source: Variant = _accel_fields_dict(data)
+	if source == null:
+		return null
+	return Vector3i(
+		_to_int(source.get("x")),
+		_to_int(source.get("y")),
+		_to_int(source.get("z"))
+	)
+
+
+func _accel_fields_dict(data: Dictionary) -> Variant:
+	if data.has("x") and data.has("y") and data.has("z"):
+		return data
+	for key in ["accel", "values", "data", "payload"]:
+		var nested: Variant = data.get(key)
+		if nested is Dictionary and nested.has("x") and nested.has("y") and nested.has("z"):
+			return nested
+	return null
+
+
+func _to_int(value: Variant) -> int:
+	match typeof(value):
+		TYPE_INT:
+			return value
+		TYPE_FLOAT:
+			return int(value)
+		TYPE_STRING:
+			return int(float(value))
+	return 0
 
 
 func _play_area() -> Rect2: